Compressor



FIG. 1 is a front, top, left-hand side perspective view of a compressor comprising a new, original and ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-hand side view thereof;

FIG. 5 is a right-hand side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Broken lines have been included for the purpose of illustrating portions of the compressor that form no part of the claimed design. 

CLAIM The ornamental design for a compressor, substantially as shown. 